opening at的用法和樣例：
例句
- The lady at the tourist office told me it opened at 1 pm.
旅行社的那位小姐告訴我下午一點(diǎn)開(kāi)門(mén)。 - An opening at definite places at maturity to release or expose the contents, such as seeds from a fruit or pollen from an anther.
開(kāi)裂，裂開(kāi)到達成熟期時(shí)在一定的位置裂開(kāi)的口子，以釋放或顯露出內含物，如從果實(shí)的裂口處釋放出來(lái)的種子或從花粉囊中散發(fā)出的花粉
